INDUSTRIAL Parallel I/O Ports 2,400+

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Maximum Supply Voltage	Package Style (Meter)	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	No. of Ports	Maximum Seated Height	Width	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Technology	Nominal Supply Voltage	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code	No. of I/O Lines
935269193118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2 mm	5.3 mm			6.2 mm	CMOS	3 V	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
935278326118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, SHRINK PITCH	2.5 V	85 Cel	-40 Cel		DUAL	2	2 mm	5.3 mm			8.2 mm	CMOS	2.7 V	.65 mm	R-PDSO-G24				16
935283554112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			7.8 mm	CMOS	3 V	.65 mm	R-PDSO-G24				16
935277298518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm			7.8 mm	CMOS	3 V	.65 mm	R-PDSO-G24				16
935283761118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			5 mm	CMOS	3 V	.65 mm	R-PDSO-G16				8
935269202112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm			5 mm	CMOS	3 V	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
935277296115	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	2.3 V	85 Cel	-40 Cel		QUAD	2	1 mm	4 mm			4 mm	CMOS	3 V	.5 mm	S-PQCC-N24				16
935282743112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			5 mm	CMOS	3 V	.65 mm	R-PDSO-G16				8
935282741518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16				8
935277417118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	4 mm			4 mm	CMOS	3 V	.65 mm	S-PQCC-N16				8
935276422528	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16				8
935276771118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm			6.5 mm	CMOS	3 V	.65 mm	R-PDSO-G20				8
935275581112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V	SMALL OUTLINE	2.5 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	5 V	1.27 mm	R-PDSO-G16		Not Qualified		8
935282744118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm			6.5 mm	CMOS	3 V	.65 mm	R-PDSO-G20				8
935283558112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			7.8 mm	CMOS		.65 mm	R-PDSO-G24				18
935283189118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm			6.5 mm	CMOS	3 V	.65 mm	R-PDSO-G20				8
935275581118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V	SMALL OUTLINE	2.5 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	5 V	1.27 mm	R-PDSO-G16		Not Qualified		8
935283368118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	3.5 mm			5.5 mm	CMOS	3 V	.5 mm	R-PQCC-N24				16
935282736518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16				8
935284486112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	56	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	2	1.2 mm	6.1 mm			14 mm	CMOS	3.3 V	.5 mm	R-PDSO-G56				8
935283586118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	3.5 mm			4.1 mm	CMOS		.5 mm	R-PQCC-N24				18
935272364118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	SMALL OUTLINE	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm			12.8 mm	CMOS	3.3 V	1.27 mm	R-PDSO-G20	1	Not Qualified	e4	8
935283487118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm			6.5 mm	CMOS	3 V	.65 mm	R-PDSO-G20				8
935275051112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm	30	260	5 mm	CMOS	3 V	.65 mm	R-PDSO-G16	1		e4	8
935283587118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	4 mm			4 mm	CMOS		.5 mm	S-PQCC-N24				18
935280667118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			7.8 mm	CMOS		.65 mm	R-PDSO-G24				18
935280667112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			7.8 mm	CMOS		.65 mm	R-PDSO-G24				18
935276423528	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16				8
935270669112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.1 mm	4.4 mm	30	260	5 mm	CMOS		.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
935270674118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.75 mm	3.9 mm			9.9 mm	CMOS		1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
935283491112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm			6.5 mm	CMOS	3 V	.65 mm	R-PDSO-G20				8
935269567112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2.65 mm	7.5 mm			15.4 mm	CMOS	3 V	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	16
935269192112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
935283506118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	3.5 mm			5.5 mm	CMOS		.5 mm	R-PQCC-N24				18
935271535112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm			6.5 mm	CMOS	3.3 V	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
935272364112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	SMALL OUTLINE	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm			12.8 mm	CMOS	3.3 V	1.27 mm	R-PDSO-G20	1	Not Qualified	e4	8
935285892118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	1.75 mm	3.9 mm			9.9 mm	CMOS		1.27 mm	R-PDSO-G16				8
935281906118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	56	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	2	1.2 mm	6.1 mm			14 mm	CMOS	3.3 V	.5 mm	R-PDSO-G56				8
935283485512	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16				8
935277298512	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm			7.8 mm	CMOS	3 V	.65 mm	R-PDSO-G24				16
935084790118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.5 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm	NOT SPECIFIED	NOT SPECIFIED	6.5 mm	CMOS	5 V	.65 mm	R-PDSO-G20		Not Qualified		8
935282746518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm			10.3 mm	CMOS	3 V	1.27 mm	R-PDSO-G16				8
935269568118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm			8.2 mm	CMOS	3 V	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
935262233118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, SHRINK PITCH	2.5 V	85 Cel	-40 Cel		DUAL	1	2 mm	5.3 mm	NOT SPECIFIED	NOT SPECIFIED	8.2 mm	CMOS		.65 mm	R-PDSO-G24		Not Qualified		16
935278677112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, SHRINK PITCH	4.5 V	85 Cel	-40 Cel		DUAL	2	2 mm	5.3 mm			8.2 mm	CMOS	5 V	.65 mm	R-PDSO-G24				16
935276772112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.5 mm	4.4 mm			6.5 mm	CMOS	3 V	.65 mm	R-PDSO-G20				8
935283505118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			7.8 mm	CMOS		.65 mm	R-PDSO-G24				18
935282743118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	2.3 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm			5 mm	CMOS	3 V	.65 mm	R-PDSO-G16				8

Parallel I/O Ports

Parallel I/O (Input/Output) ports are a type of interface that allows a microcontroller or microprocessor to communicate with other devices in a parallel fashion. This means that multiple bits of data can be transmitted or received simultaneously, as opposed to serial communication which transmits or receives data one bit at a time.

Parallel I/O ports are commonly found in a wide range of electronic devices, including computers, printers, and industrial control systems. They typically consist of a number of input and output lines, with each line representing a single bit of data. The number of lines can vary depending on the specific device, with some systems having only a few lines while others may have dozens or even hundreds.

One of the advantages of parallel I/O ports is their ability to transfer large amounts of data quickly and efficiently. This makes them particularly useful in applications where real-time data acquisition or high-speed communication is required. For example, parallel ports are commonly used in printers and other peripherals to transfer large amounts of data quickly.

However, one of the limitations of parallel I/O ports is that they require a large number of pins on the microcontroller or microprocessor to accommodate all of the data lines. This can make them difficult to implement in systems with limited space or where a large number of I/O lines are required. In addition, parallel I/O ports can be more susceptible to noise and interference compared to serial communication, which can affect data integrity and transmission speeds.